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since ‎2009.02.27

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I have found the ema function from the But there issome error. Maybe because of the difference between K and Q. Cananybody help change the function for Q?/ the original function for exponential moving average[code:1]\ema:{a:2%x+1;b:1-a;...
I have fetched data from kdb+ in MATLAB. But the datetime column inkdb+ has become the java.sql.Date, which could not be convert to timeseries in matlab.Any suggestions very appreciated.
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